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Objective:To explore the efficacy of subcutaneous injection of granulocyte-macrophage colony-stimulating factor (GM-CSF) in preventing invasive fungal disease (IFD) in patients with multiple myeloma (MM).Methods:The clinical data of 222 patients who were admitted to the Second Hospital of Harbin Medical University from January 2015 to June 2021 were retrospectively analyzed. The patients was given GM-CSF (3-5 μg·kg -1·d -1, GM-CSF group) or granulocyte colony-stimulating factor (G-CSF, 2-5 μg·kg -1·d -1, G-CSF group) when neutrophils (ANC) ≤1.5×10 9/L after induction chemotherapy. Patients were discontinued when white blood cell count (WBC) ≥10.0×10 9/L. The incidence of IFD (including confirmed, clinical and proposed diagnosis) and breakthrough invasive fungal infections was compared between the two groups. Results:The incidence of IFD was 8.1% (18/222) in all patients. The incidence of IFD was 3.5% (3/85) and 10.9% (15/137) in the GM-CSF and G-CSF groups, respectively, and the difference between the two groups was statistically significant ( χ2 = 3.88, P = 0.049). In 9 patients of GM-CSF group receiving fungal infection prophylaxis and in 15 patients of G-CSF group receiving fungal infection prophylaxis, the incidence of breakthrough invasive fungal infections was 0 and 7 cases, respectively, and the difference between the two groups was statistically significant ( P = 0.022). Conclusions:GM-CSF application in MM patients can reduce the incidence of IFD and breakthrough invasive fungal infections.
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The pre-hospitalization service is an important initiative for medical institutions to implement the national reform of the medical security system. In 2018, Zhejiang province proposed the " most run once reform", requiring the establishment of an admission preparation center to carry out pre-hospitalization services. In June 2021, a certain maternal and child health hospital conducted a process reengineering for the pre admission process of the admission preparation center by applying the combined process analysis and failure mode and effects analysis, high-risk points of the hospitalization process were screened, the job value and job functions of each sector were sorted out, and the sector for improvement sector was evaluated, to launch an independent information system, establish a one click automatic import of pre hospital medical orders function, and remove on-site billing physicians from various specialties for improvement measures. The steps of the process had been optimized, inlcuding issuing pre hospital medical orders, waiting for pre-hospitalization, pre-hospitalization, and so on. The completeness rate of pre hospital medical orders, average waiting days before hospitalization, and patient satisfaction scores of pre hospitalization centers had changed from 91%, 2.99 days, and 93.46 points before process reengineering to 92%, 2.44 days, and 95.80 points after reengineering, respectively. This practice had achieved dual improvements in pre admission service quality and efficiency, so as to provide a reference for China′s medical institutions to carry out safe and efficient pre admission services.
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The incidence rate of drug-induced liver injury (DILI) is increasing year by year, and DILI has become one of the common liver diseases in clinical practice and has attracted the attention of the whole world. It is known that a variety of drugs, including Chinese herbal medicine and dietary supplements, can cause various types of acute or chronic liver injury, and acute liver failure may occur in severe cases, leading to death or liver transplantation. This article elaborates on the global prevalence of DILI and the distribution of common suspected drugs.
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ObjectiveTo investigate the effect of hepatocyte fatty degeneration induced by free fatty acid on macrophage polarization and the possible mechanism. MethodsPrimary hepatocytes of C57BL/6 mice were isolated by in situ collagenase perfusion, and then the hepatocytes were divided into control (NC) group and mixed free fatty acid (FFA) treatment group. A conditioned medium (CM) was prepared for hepatocytes and was used for the intervention of RAW264.7 macrophages. Oil red O staining was used to observe lipid deposition in hepatocytes; real-time PCR was used to measure the mRNA expression of lipid metabolism genes and macrophage M1/M2 polarization markers; ELISA was used to measure the levels of cytokines in supernatant; Western blot was used to measure the expression of proteins involved in the Toll-like receptor 4 (TLR4)/nuclear factor-kappa B (NF-κB) pathway in macrophages. The independent samples t-test was used for comparison between two groups; a one-way analysis of variance was used for comparison between multiple groups, and the Tukey test was used for further comparison between two groups. ResultsCompared with the NC group, the FFA treatment group had the deposition of massive lipid droplets in hepatocytes and significant increases in triglyceride and total cholesterol (t=15.65 and 3.49, both P＜005). Besides, FFA significantly increased the mRNA expression of the lipid synthesis genes SREBP1C and FASN (t=2.89 and 2.82, both P＜0.05) and reduced the mRNA expression of the lipid decomposition genes ACOX1 and CPT1A (t=14.30 and 3.36, both P＜005) in hepatocytes. FFA also induced significant increases in the levels of the inflammatory cytokines interleukin-6 (IL-6), interleukin-1β, and tumor necrosis factor-α (TNF-α) in supernatant (all P＜0.05). Compared with the CM-NC group, the CM-FFA group had significant increases in the mRNA expression of the M1 phenotype markers iNOS2, TNF-α, and IL-6 (all P＜0.05) and a significant reduction in the mRNA expression of the M2 phenotype marker interleukin-10 (P＜0.05). Moreover, Western blot showed that CM-FFA significantly upregulated the protein expression of TLR4, p-NF-κBp65, and p-IκBα in macrophages (t=2.88, 3.69, and 3.54, all P＜0.05). ConclusionFFA-induced hepatocyte fatty degeneration and inflammation can promote M1 macrophage polarization, thereby initiating and triggering the development and progression of nonalcoholic fatty liver disease.
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Objective:To investigate the clinical effects of intermittent oro-esophageal tube feeding (IOE) combined with Xuanqiaoliyan decotion in stroke patients with dysphagia.Methods:A prospective study was conducted. Stroke patients with dysphagia admitted to Yidu Central Hospital Affiliated Hospital of Weifang Medical University from January 2018 to December 2019 were enrolled. According to the simple random sampling method, the patients were divided into control group and observation group, with 50 cases in each group. The control group was given routine swallowing function training, including low-frequency pulse electrical stimulation, swallowing function training and acupuncture treatment. The observation group was given IOE and Xuanqiaoliyan decoction (prescription composition: Rhizoma acori tatarinowii 15 g, Radix polygalae 10 g, Rhizoma gastrodiae 15 g, Arisaema cum bile 6 g, Rhizoma typhonii 6 g, Scorpio 6 g, Bombyx batryticatus 6 g, Perilla frutescens 10 g, Rhizoma pinelliae 10 g, Pericarpium citri reticulatae 10 g, Rhizoma zingiberis recens 3 tablets, decoction 200 mL, twice in the morning and evening by oral or nasal feeding) on the basis of the control group. Both groups were treated for 14 days. The standard swallowing function assessment (SSA) and water swallow test were used to evaluate the swallowing function before and after treatment. The time required for the improvement of swallowing function, total hospitalization time and the therapeutic effects were observed and the safety assessment was conducted. Results:There were no significant differences in the gender, age, course of disease, and location and frequency of stroke between the two groups. After treatment, both the SSA scores in the two groups were decreased, and the grading of water swallow test was improved. The SSA scores in the observation group were significantly lower than that in the control group (19.8±1.8 vs. 23.2±3.2, P < 0.05), the recovery degree of water swallow test was higher than that in the control group [complete recovery (cases): 18 vs. 13, basic recovery (cases): 23 vs. 18, effective (cases): 9 vs. 19, χ 2 = -2.107, P = 0.008]. The total effective rate of swallowing function in the observation group was higher than that in the control group (94.0% vs. 80.0%, Z = 4.684, P = 0.012), the time for improvement (days: 12.8±2.6 vs. 16.9±4.3, t = 11.628, P = 0.008) and total hospitalization time (days: 20.8±4.2 vs. 33.5±5.6, t = 10.924, P = 0.015) were shorter than those in the control group. In the observation group, there was 1 case of throat discomfort during the operation of IOE, and the symptoms disappeared after the operation; there was 1 case of mild elevation of alanine aminotransferase (ALT) and blood urea nitrogen (BUN) respectively, which returned to normal after the treatment. No adverse symptoms and damage to the liver and kidney were observed in the control group. Conclusion:IOE combined with Xuanqiaoliyan decotion could significantly improve the swallowing function of stroke patients with dysphagia, shorten the hospitalization time, and improve the curative effects and lifequality.
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BACKGROUND@#Bronchial sleeve lobectomy is essential surgical approach to treat centralized lung cancer. It is the best reflected the principle of lung cancer surgery, "remove tumor completely while minimize pulmonary function loss". Bronchial pleural fistula (BPF) is not common but very severe complication of bronchial sleeve lobectomy, that is usually fatal. Present article is to explore clinical effect on prevention of bronchial pleural fistula (BPF) in bronchial sleeve lobectomy, by wrapping brachial anastomosis with pedicled pericardial fat flap.@*METHODS@#Clinical data of 39 non-small cell lung cancer (NSCLC) patients who underwent surgical resection during January 2016 to May 2019 in Lung Cancer Center of West China Hospital, Sichuan University were collected and retrospectively analyzed. All of the patients underwent bronchial sleeve lobectomy and a brachial anastomosis wrapping with pedicled pericardial fat flap.@*RESULTS@#All patients recovered well and were discharged within 6 d-14 d after operation. No BPF occurred, nor other severe complications, such as reoperation needing intrathoracic bleeding, several pneumonia and respiratory failure, and life threatening cardiac arrhythmia. Only one patient (1/39) had several anastomotic stenosis and consequential atelectasis of residual lung in operative side 6 months after surgery.@*CONCLUSIONS@#Wrapping bronchial anastomosis with pedicled pericardial fat flap in bronchial lobectomy for centralized NSCLC is a simple and effective approach to prevent BPF, thus safety of the operation could be significantly improved.
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Objective:To reports the nursing care of a patient with superior mesenteric artery syndrome after posterior spinal correction for adolescent idiopathic scoliosis.Methods:While in hospital, conservative treatment requires fasting and water deprivation, gastrointestinal decompression. Combined with perioperative nursing measures of spinal orthopedics, the nursing focus of patients during hospitalization includes: enteral and parenteral nutrition, designed the condition record sheet, and dynamically monitor the patient′s condition; personalized guidance about function exercise was gibien.In addition,continuous care after discharge were provided through health education before discharge and post-discharge follow-up.Results:After the implementation of the nursing measures, the patient recovered well after surgery, the symptoms of superior mesenteric artery syndrome were effectively controlled, and the patient resumed eating through the mouth. Two months after discharge, the patient gained 4kg of body weight.Conclusion:The treatment and nursing of superior mesenteric artery syndrome is a long-term process, nurses should place emphasis on observation and nutrition support, and also the patient psychological care.
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Objective:To investigate the expression of Galectin-1 in neuroblastoma(NB)tissues and the effects of down-regulating this gene on cell proliferation and invasion.Methods:A total of 62 cases of NB children who had complete data and were initially treated at the Department of Pediatrics, Yidu Central Hospital, Weifang Medical College from January 2010 to January 2018 were enrolled.The expression of Galectin-1 protein in NB tissues was detected by immunohistochemistry.NB cell line SH-SY5Y was cultured and divided into the siRNA-Gal1 group (with Galection-1 transfected interference sequence siRNA-Gal1), siRNA-NC group (negative control sequence siRNA-NC was transfected) and blank group(without any treatment). The expression of Galectin-1, cell proliferation activity, and cell migration and invasiveness in 3 groups were detected by real-time quantitative PCR, cell counting kit-8(CCK-8) assay and Transwell assay, respectively.Western blot were used to detect the expressions of Galectin-1, E-cadherin and Vimentin proteins in 3 groups.Results:Among 62 cases, the positive expression rate of Galectin-1 protein was 69.35%.The positive expression rates of Galectin-1 protein in cells with grade of clinicopathological indexes of International Neuroblastoma Staging System stage of Ⅲ-Ⅳ, cells at high risk and cells with bone metastasis (78.57%, 78.05% and 84.00%)were significantly different from stage of Ⅰ-Ⅱ and Ⅳs, cells at low risk and cells without bone metastasis (50.00%, 52.38%, 59.46%) (all P<0.05). Compared with the siRNA-NC group and the blank group, the expression of Galectin-1 mRNA(0.23±0.06 vs.1.04±0.05 and 1.00±0.08)and protein(0.23±0.05 vs.0.86±0.06 and 0.84±0.05)in the siRNA-Gal1 group was significantly decreased(all P<0.05). The cell optical density(OD)values at 24 h, 48 h, 72 h and 96 h in the siRNA-Gal1 group were significantly lower than those in the siRNA-NC group and the blank group(all P<0.05). Compared with the siRNA-NC group and the blank group, the siRNA-Gal1 group showed a significant decrease in cell migration(101.55±5.56 vs.137.24±5.14 and 132.76±7.46)and invasion(78.21±5.08 vs.114.46±7.31 and 120.06±6.47, all P<0.001). The expression level of Vimentin protein in the siRNA-Gal1 group was significantly lower than that in the siRNA-NC group and the blank group(0.24±0.03 vs.0.69±0.07 and 0.70±0.06)(all P<0.05), while the expression level of E-cadherin protein in the siRNA-Gal1 group was significantly higher than that in other 2 groups(0.77±0.09 vs.0.29±0.05 and 0.33±0.04)(all P<0.05). Conclusions:The positive expression rate of Galectin-1 protein in NB tissues is 69.35%, which indicates that Galectin-1 might be involved in the malignant process of NB.Silencing the expression of Galectin-1 gene can inhibit the proliferation, migration and invasion of NB cells, and the mechanism may be related the inhibition of epithelial-mesenchymal transition.
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Hepatorenal syndrome (HRS) is a serious complication that occurs in patients with decompensated cirrhosis or acute/chronic liver failure. The main pathological features of HRS include marked peripheral vasodilation and strong renal vasoconstriction, with rapid progression, unsatisfactory treatment response, and poor prognosis. Vasoconstrictors are mainly used in the pharmacotherapy for HRS, and at present, terlipressin combined with albumin is the first-line treatment method for HRS. Some drugs with a renal vasodilatory effect also show a potential therapeutic effect. This article reviews the latest research advances in the role and clinical application of vasoactive drugs in the treatment of HRS.
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According to the traditional view, asthma is a disease with great variability, and its symptoms will change with the circadian rhythm, while it is believed that patients with chronic obstructive pulmonary disease (COPD) will have little change in their symptoms during the stable period.However, a growing number of studies have shown that patients with COPD also have diurnal variability in their symptoms, most commonly morning symptoms, and that morning symptoms are closely related to patients' worse health and quality of life, decreased ability to perform daily activities, and acute exacerbation risk.In recent years, foreign scholars have also developed some measurement scales for quantitative evaluation of morning symptoms of COPD patients, such as Patient Reported Outcomes (PRO)-Morning COPD Symptoms Questionnaire, Early Morning Symptoms of COPD Instruments, Capacity of Daily Living during the Morning questionnaire, Manchester Early Morning Symptoms Index and Chronic Obstructive Pulmonary Disease Morning Symptom Diary.In clinical practice, we should pay more attention to patients' morning symptoms and evaluate them with existing scales.
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According to the traditional view,asthma is a disease with great variability,and its symptoms will change with the circadian rhythm,while it is believed that patients with chronic obstructive pulmonary disease (COPD) will have little change in their symptoms during the stable period.However,a growing number of studies have shown that patients with COPD also have diurnal variability in their symptoms,most commonly morning symptoms,and that morning symptoms are closely related to patients'worse health and quality of life,decreased ability to perform daily activities,and acute exacerbation risk.In recent years,foreign scholars have also developed some measurement scales for quantitative evaluation of morning symptoms of COPD patients,such as Patient Reported Outcomes (PRO)-Morning COPD Symptoms Questionnaire,Early Morning Symptoms of COPD Instruments,Capacity of Daily Living during the Morning questionnaire,Manchester Early Morning Symptoms Index and Chronic Obstructive Pulmonary Disease Morning Symptom Diary.In clinical practice,we should pay more attention to patients'morning symptoms and evaluate them with existing scales.
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Objective To investigate the expression changes of soluble urokinase-type plasminogen activator receptor(suPAR)and soluble triggering receptors expressed by myeloid cell-1(sTREM-1)in serum of children with primary nephrotic syndrome(PNS)and their clinical significance.Methods A total of 92 cases of newly diag-nosed PNS children were selected in Central Hospital of Yidu Affiliated to Weifang Medical College from June 2014 to September 2016.According to presence or absence of acute tubular necrosis,they were divided into acute renal injury group(27 cases)and non-acute renal injury group(65 cases).According to pathology type,they were divided into mesangial proliferative glomerulonephritis(30 cases),focal segmental glomerulosclerosis(23 cases),membranous ne-phropathy(18 cases),minimal change disease(14 cases)and membrane proliferative glomerulonephritis(7 cases).In the same period,45 healthy children were selected as the healthy control group.The clinical data were collected.The serum levels of suPAR and sTREM-1 were measured by adopting enzyme-linked immunosorbent assay(ELISA). Results The levels of total cholesterol(TC),triglycerides(TG),uric acid(UA),urinary protein/creatinine,24 h urinary protein,urinary N-acetyl-β-glucosaminidase(NAG)and β2-microglobulin(MG)in children with PNS were higher than those in the healthy control group,while serum albumin(ALB)was lower than that in the healthy con-trol group,and the differences were statistically significant(all P<0.05).The serum levels of suPAR and sTREM-1 in PNS patients were(133.09 ± 62.48)ng/L and(79.29 ± 34.68),respectively,which were significantly higher than those in the healthy control group[(31.11 ± 11.61)ng/L and(25.08 ± 8.10)ng/L](t=51.714,49.435;all P=0.000).The serum levels of suPAR and sTREM-1 in acute renal injury group were(188.82 ± 32.21)ng/L and (109.11 ± 24.78)ng/L,respectively,which were significantly higher than those in non -acute renal injury group [(75.96 ± 28.69)ng/L and(52.23 ± 14.07)ng/L]and healthy control group[(31.11 ± 11.61)ng/L and (25.08 ± 8.10)ng/L](F=16 739.607,10 487.256,all P=0.000).The serum levels of suPAR and sTREM-1 in children with focal segmental glomerulosclerosis and membrane proliferative glomerulonephritis were higher than those with minimal change disease,membranous nephropathy and mesangial proliferative glomerulonephritis,and the differences were statistically significant(all P<0.05).Pearson correlation analysis results showed that the serum levels of suPAR and sTREM -1 were positively correlated with TC,TG,urinary protein/creatinine,24 h urinary protein, urinary NAG and β2-MG(all P <0.05),while negatively correlated with ALB(P <0.05). Conclusions The serum levels of suPAR and sTREM-1 are elevated in children with PNS,and which are related with acute renal injury and pathological type,which can reflect the degree of renal tubular disease and kidney function to a certain extent.
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Objective To observe the clinical effect of Yangxue-Shugan decoction combined with psychological intervention on postpartum depression. Methods 9 A total of 90 patients with postpartum depression were randomly divided into control group and treatment group (45 in each group). The control group was treated with amitriptyline. The treatment group was treated with Yangxue-Shugan decoction and psychological intervention. Both groups were treated for 28 days. Symptoms and signs were scored the symptom classification scale. The degree of depression was evaluated by the Edinburgh postpartum depression scale (EPDS). The Serum estradiol, progesterone, orphanin were measured by radioimmunoassay. The 5-hydroxytryptamine was determined by high performance liquid chromatography. Results The total effective rate was 95.56％ (43/45) in the treatment group and 80.00％ (36/45) in the control group. The difference of the total effective rate between the two groups was statistically significant (Z=-2.462, P=0.014). After treatment, the levels of depression score (0.85 ± 0.63 vs. 1.47 ± 0.58, t=-2.337), flank pain score (0.50 ± 0.31 vs. 0.96 ± 0.43, t=-2.169), loss of appetite score (0.67 ± 0.39 vs. 1.20 ± 0.36,t=-2.774), insomnia with multiple dreams score (0.69 ± 0.43 vs. 1.18 ± 0.56, t=-2.826) in the treatment group were significantly lower than those in the control group (P<0.05). The levels of progesterone (16.20 ± 2.49 ng/ml vs. 27.61 ± 2.97 ng/ml, t=-2.378), orphanin (9.94 ± 2.03 ng/L vs. 15.62 ± 3.38 ng/L, t=-2.137), EPDS score (7.7 ± 2.4 vs. 11.6 ± 4.2, t=-2.449) in the treatment group were significantly lower than those in the control group (P<0.05). While the estradiol (231.93 ± 8.25 pg/ml vs. 197.46 ± 8.72 pg/ml, t=-2.273), 5-hydroxytryptamine (1.90 ± 0.36 μmol/L vs. 1.39 ± 0.27 μmol/L, t=-2.016) in the treatment group were significantly higher than those in the control group (P<0.05). Conclusions The Yangxue-Shugan decoction and psychological intervention in the treatment of postpartum depression can improve the depression status of postpartum depression patients, reduce clinical symptoms and improve clinical efficacy.
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Objective To investigate the clinical curative effect of laparoscopic cholecystectomy in the treatment of elderly patieuts with acute gaugrenous cholecystitis,and summarized the advantages and disadvantages compared with open cholecystectomy.Methods Using retrospective study,68 elderly patients with acute gangrenous cholecystitis patients in Xiaogan First People's Hospital from January 2010 to January 2015 were selected,and divided into minimally invasive group (36 cases) and laparotomy group (32 cases) according to the different surgical treatment methods,the minimally invasive group patients were treated with laparoscopic cholecystectomy,the laparotomy group patients were treated with open cholecystectomy.Recorded and statistical analysised the incision length,operative time,intraoperative blood loss,laparotomy,postoperative first exhaust time,drainage tube pulled out of time,the degree of pain after operation (visual analogue scale),length of hospital stay,postoperative complications of the two groups.All the patients were followed up by outpatient or telephone,inquiried and recorded the patient's health status up to July 2015.The measurement data were expressed by (x ± s),and the t test was used comparison between groups.The enumeration data was expressed by percentage (％),and the x2 test was used comparison between groups.Results The incision length,intraoperative blood loss,postoperative first exhaust time,length of hospital stay,extubation time were respectively (4.67 ±2.13) cm,(65.67 ±23.61) ml,(31.18 ±4.35) hours,(7.53 ±2.33) days,(2.44±1.31) days in the minimallyinvasive group and (8.48 ±3.49) cm,(103.96 ±35.65) ml,(40.41 ±5.87) hours,(12.34 ±2.94) days,(3.73 ± 1.52) days in the laparotomy group,with statistically significant differences between the 2 groups (all P ＜ 0.05).There was no significant difference in the operation time between the two groups (t =3.574,P ＞ 0.05);The pain scores in the minimally invasive group after 1,3,5 and 7 days were respectively (4.96 ± 1.38) scores,(3.48 ± 1.04) scores,(2.01 ± 0.89) scores,(1.11 ± 0.85) scores and (6.55±1.84) scores,(5.69±1.54) scores,(2.97± 16) scores,(1.81 ±0.94) scores in the laparotomy group,with statistically significant differences between the 2 groups (all P ＜ 0.05).The incidence of complications in minimally invasive group was 17.14％ 6/35),which was significantly lower than that of laparotomy group 41.94％ (13/31) (x2 =15.234,P ＜ 0.05),all the complications were relieved after symptomatic treatment such as anti infection,drainage and so on.All patients were followed up.Among 68 patients enrolled in the study group,1 patient in the minimally invasive group was converted to laparotomy because of excessive adhesion and uncontrollable intraoperative bleeding.The laparotomy group died of septic shock in 1 case,and the remaining patients were treated by surgical treatment.Conclusion Cholecystectomy is effective in treatment of elderly patients with acute gangrenous cholecystitis,and laparoscopic cholecystectomy has the advantages of small incision,less bleeding,less pain,fewer complications and faster recovery after operation thus deserving popularization.
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Objective To study the effects of cluster nursing intervention on dysuria in hospitalized patients after renal biopsy. Methods A total of 106 hospitalized patients undergoing renal biopsy during April. 2016 to September. 2016 were divided into control group (50 cases) and experimental group (56 cases) by random number table method. The control group were implemented with traditional methods of care and the experimental group were implemented with cluster nursing intervention.The incidence of dysuria, first average urination time and post-operative urination pattern were compared between two groups. Results The incidence of dysuria in the experimental group was 10.7%(6/56), which was significantly lower than 28.0% (14/50) of the control group (χ2=5.156, P<0.05).The first average urination time of experimental group was (2.95±1.17) hours, which was lower than (5.04±2.27) hours of the control group (t =5.401, P<0.05). The proportion of patients with post-operative self-urination in the experimental group was significantly higher than that in the control group (χ2=6.152, P<0.05). Conclusions Cluster nursing intervention can reduce the incidence of dysuria, shorten the first average urination time, promote post-operative self-urination of patients after renel biopsy and enhance comfort.
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Objective: To provide an important tool for the study of diagnose and treatment of prostate cancer (PCa) osseous metastasis and change of bone stress force on prostate cancer (PCa) osseous metastasis and a platform, which is more congruous to clinical process, for prevention and cure of neoplastic bone metastases, and to carry out the construction and improvement of animal models of PCa with different positional osseous metastasis in vivo.Methods: Different gradient concentrations of RM-1 cells were inoculated into the cavity of left femoral bone or lumbar vertebra of mice (C57BL/6) respectively.The change of mouse activity, tumor formation, tumor size and survival time were observed respectively.And the femur tissue and spinal tissue were obtained from the mice after death.The gray value of iconography were measured by imageological examination of femur tissue, and the final histopathological examination were taken to determine the tumor type in both femur and spinal tissue.Results: The tumor growth could be touched at the puncture site in all the mice after inoculated for 7 days.There were no obvious differences in the time of tumorigenesis, the rate of tumor growth and tumor size among the mice in the same group (P>0.05).As the result, the construction femoral bone and lumbar vertebra metastatic models of PCa had been confirmed by iconography and pathology detection.At the same time, the survival time of the mice inoculated with low concentrations of PCa cells was obviously longer than that of high concentrations of PCa cells (at least 2 weeks longer).Conclusion: The animal models with different positional osseous metastasis (limbs and axial skeleton) of PCa using the same PCa cells (RM-1) had been first constructed successfully in our study.At the same time, a high success rate of construction of PCa animal model with bone metastasis was obtained by femoral bone marrow cavity injection of PCa cells.The rate of tumor growth was rapid, animal survival time was appropriate, and the PCa animal model with bone metastasis can be stably reproduced by our method.These animal models can be used to explore the pathogenesis of different positional PCa bone metastasis and provide a new platform, which were more congruous to clinical process, for prevention and cure of neoplastic bone metastases.
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Objective To observe the stellate ganglion block (SGB) on obstructive sleep apnea syndrome (OSAS) combined the curative effect of sleep respiration and blood pressure control in patients with hypertension.Methods Incorporating meets the criteria for the OSAS patients with high blood pressure in hospital order randomly assigned into normal group and experimental group and routine group was given antihypertension drugs,adjustment in lifestyle,continuous positive airway pressure (CPAP) treatment,the experimental group on the basis of conventional treatment at the same time give SGB to intervene.Using t test on admission and intervention were compared after a period of treatment in patients with sleep apnea and blood pressure control,using 2 test comparison blood pressure control rates of two groups patients.Results Compared with normal group,the experimental group after intervention in a course of apnea hypoventilation index (AHI),SaO2 and 24 h mean arterial pressure were obviously improved,the difference was statistically significant (P＜0.05).Conclusion SGB as a new treatment method,not only can improve clinical symptoms in patients with OSAS,but also make the patients get better control of blood pressure.
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Objective To explore the proliferative changes and clinical significance of osteoclasts (OC) in various stages of osteoarthritis (OA). Methods Twenty healthy adult male SD rats were made the model by modified Hulht procedure,the left knee served as the control group and the right knee as the OA model group. The total knee joint (n=5) was collected at postoperative 1, 2,4,8 weeks, fixed at 4 ℃ 4% poly formaldehyde (PFA) liquid, embedded by paraffin for conducting sections, and stained by TRAP,toluidine blue(TB) and safranine O (Saf O)fast staining. Then the cartilage morphology change was observed and OC positive cells number with TRAP staining were semi-quantitatively detected,the OA cartilage destruction progression was evaluated by Mankin's method and SPSS17.0 statistics software was used to conduct statistical analysis. Results OC in the two groups showed the transient change of rapidly increasing and then decreasing. The OC number at 1 week in the control group (left knee) was (65.20±4.12) cells/mm2 ,and was gradually reduced at 2,4 weeks,which were (47.20±4.31) cells/mm and (26.20±3. 87) cells/mm2 ,which at 8 weeks was almost invisible, the number of cells was (7.00 ± 2.28) cells/mm2 ;the OC number at 1 week in the OA model group (right knee) was (70.40 ± 5.46) cells/mm2 ,increased to (86.20± 5.42)cells /mm2 at 2 weeks, reduced to (38. 0 ± 3.16) cells/mm2 at 4 weeks , was almost invisible at 8 weeks, the number of cells was (6.21 ± 2.93 ) cells/mm2 . The OC number at 2,4 weeks in the model group was significantly higher than that in the control group, the difference had statistical significance (P<0.05). Conclusion Large numbers of osteoclasts are proliferated in the early and middle stages of rat knee osteoarthritis, which indicating that OC might be involved in the formation of osteoarthritis.
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Objective To establish the animal model of traumatic myositis ossificans through striking the quadriceps muscle of rabbits repeatedly.Methods Nine white adult New Zealand rabbits were selected,as their left lower limbs were used as the model group and the right lower ones served as controls.The left hind limbs were stricken by a 0.25 kg ball falling from a height of 100 cm every 3 days for and then immobilized with the knee in extension,while the right knees were immobilized in the same way without striking.The rabbits were sacrificed at the 4th,6th and 8th weeks respectively.The swelling,local physical signs and pathological changes of the heterotopic ossification had been assessed.Results The swelling of left quadriceps was obvious,with progressively stiffness of the left knees accompanied by distinctly palpable indurations,while in the right hind limbs,the joint was stiff but without indurations.The imaging examination showed the ossification began to appear in the impact sites of the model group at the 4th,6th and 8th weeks.The hematoxylin-eosin staining demonstrated that there was obvious cartilage or bone formation in the muscle tissues of the left quadriceps at the 8th weeks.Conclusion An animal model of post-traumatic myositis ossificans can be successfully established in rabbits through beating their quadriceps repeatedly.
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Chronic obstructive pulmonary disease (COPD) is a common and frequent disease that endangers human health seriously.It has the characteristics of high morbidity and mortality and heavy social-economic burden.It has become an important public health issue.The purpose of the comprehensive assessment of COPD is to determine the level of airflow restriction,assess the impact on the patient's health status and future risk factors.At present,the pulmonary function test is still the gold standard for diagnosing COPD.However,it can not fully reflect the clinical features and risk prediction of the disease.In clinical practice,comprehensive indexes are needed to evaluate the impact of the disease on the patient's health status.The comprehensive assessment for a COPD patient is conducive to the guidance of individualized treatment,to improve the current symptoms,comprehensive prognosis,delay the disease progression and improve the quality of life of patients.